Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
les developpement » le developpement, des developpements, leur developpement
information data » information d820, information database, information databases
developpement de » developpement des, developpement durable
data latent » data daten, data extent, data element
latent 3.2 » latenz 3.2, patents 3.2, intent 3.2
a les » a lens, a less, 2 les

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies _ information data latent 3.2 communication a les developpement de l'afrique.*.